Parasites & Vectors

Table 3 The data for $Δ, Σ, \bar{P}$ , and $\bar{y}$ from annual report data in Liaonan village, Xingzi county, Jiangxi Province, P. R. China

From: Field transmission intensity of Schistosoma japonicum measured by basic reproduction ratio from modified Barbour’s model

Parameter	2003	2004	2005	2006	2007	2008	2009	2010
Δ(/m²)	28.0	33.9	91.5	133.5	41.1	17.5	11.3	2.4
Σ(/m²)	0.030	0.020	0.048	0.017	0.031	0.018	0.031	0.018
$\bar{P}$ (%)	0.0671	0.0533	0.0631	0.0454	0.0454	0.0454	0.0453	0.0457
$\bar{y}$ (%)	0.00021	0.00005	0.00013	0.00014	0.00018	0.00050	0.00077	0.00002

Note: Δ means the density of snails, Σ means the density of definitive hosts, $\bar{P}$ means the average prevalence of infection in hosts in one year, $\bar{y}$ means the average prevalence of infection in snails in one year.

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ISSN: 1756-3305

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